7852689915 has 32 divisors (see below), whose sum is σ = 14381054976. Its totient is φ = 3584338560.

The previous prime is 7852689913. The next prime is 7852689917. The reversal of 7852689915 is 5199862587.

It is an interprime number because it is at equal distance from previous prime (7852689913) and next prime (7852689917).

It is not a de Polignac number, because 7852689915 - 2¹ = 7852689913 is a prime.

It is a super-2 number, since 2×7852689915² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7852689913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12834 + ... + 125976.

It is an arithmetic number, because the mean of its divisors is an integer number (449407968).

Almost surely, 2^7852689915 is an apocalyptic number.

7852689915 is a deficient number, since it is larger than the sum of its proper divisors (6528365061).

7852689915 is a wasteful number, since it uses less digits than its factorization.

7852689915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113819.

The product of its digits is 10886400, while the sum is 60.

The square root of 7852689915 is about 88615.4045017005. The cubic root of 7852689915 is about 1987.6480310612.

The spelling of 7852689915 in words is "seven billion, eight hundred fifty-two million, six hundred eighty-nine thousand, nine hundred fifteen".